Definitions of lash:

• noun:   leather strip that forms the flexible part of a whip
• noun:   a quick blow with a whip
• noun:   any of the short curved hairs that grow from the edges of the eyelids
• verb:   bind with a rope, chain, or cord

  Example: "Lash the horse"

• verb:   lash or flick about sharply

  Example: "The lion lashed its tail"

• verb:   strike as if by whipping
• verb:   beat severely with a whip or rod
• name:  A surname (rare: 1 in 33333 families; popularity rank in the U.S.: #3969)